Bitter is an English term for pale ale, which is a beer and vary in colour from gold to dark amber and in strength from 3% to 7% alcohol by volume. bitter A type of taste a person can feel with their senses.
Chalk is a limestone deposit created as plankton (tiny marine organisms) concentrate calcium in their bodies while living, then leach the calcium out after they die and settle onto ocean floors; over millennia, large deposits are formed, and as the seas recede, chalks deposits remain.
Definition of 'chalk and talk'. chalk and talk. noun. sometimes derogatory. a formal method of teaching, in which the focal points are the blackboard and the teacher's voice, as contrasted with more informal child-centred activities. Useful links.